行政诉讼具有的与其他诉讼活动不同的基本原则有( )。 A．人民法院特定主管原则 B

某日最高气温是9℃，最低气温是﹣4℃，该日的温差为（    ）℃．

MIDI enables people to use (11) computers and electronic musical instruments. There are actually three components to MIDI, the communications " (12) ", the Hardware Interface and a distribution (13) called "Standard MIDI Files" . In the context of the WWW, the most interesting component is the (14) Format. In principle, MIDI files contain sequences of MIDI Protocol messages. However, when MIDI Protocol (15) are stored in MIDI files, the events are also time-stamped for playback in the proper sequence. Music delivered by MIDI files is the most common use of MIDI today.

A．Video

B．Faxmail

C．Graphic

D．Audio

汽轮机排汽温度不变时，当前大气压力越高，对应（）越高。

在税控盘版开票系统中通过直接开具的方法开具红字专用发票时，以下描述正确的是（）

A.信息表编号为必填项，不可为空

B.正数发票代码、号码为必填项，必须输入一遍正数发票的代码和号码

C.信息表上有对应的通知单编号时需填写通知单编号，否则，不需填写

D.信息表上有对应的正数发票代码、号码时需填写正数发票代码和号码，否则，不需填写

（EMB145）增压系统外流活门安装在（）

A.飞机机身底部右后侧

B.飞机机身底部座后侧

C.后电子舱后压力隔框